JPS6098565U - Brake circuit of wheel-type hydraulic excavator - Google Patents
Brake circuit of wheel-type hydraulic excavatorInfo
- Publication number
- JPS6098565U JPS6098565U JP18754283U JP18754283U JPS6098565U JP S6098565 U JPS6098565 U JP S6098565U JP 18754283 U JP18754283 U JP 18754283U JP 18754283 U JP18754283 U JP 18754283U JP S6098565 U JPS6098565 U JP S6098565U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic excavator
- brake
- brake circuit
- wheel
- type hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Operation Control Of Excavators (AREA)
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はホイール式油圧ショベルの一例を示す側面図、
第２図は従来のホイール式油圧ショベルのブレーキ回路
を示す図、第３図はこの考案のブレーキ回路の一実施例
を示す図である。
５・・・・・・圧縮機、６・・・・・・圧気タンク、７
・・・・・・給気管、８・・・・・・す・−ビスブレー
キバルブ、１０・・・・・・プロテクションバルブ、１
１・・・・・・給気Ｖ、１２・・・・・・作業ブレーキ
バルブ、１８・・・・・・ブースタ、１９・・・・・・
油圧配管、２０・・・・・・作業ブレーキ兼サービスブ
レーキ装置、２１・・・・・・第一逆止め弁、２２・・
・・・・給気管、２３・・・・・・第二逆止め弁、２４
・・・・・・導気管、２５・・・・・・給気管。
第２図
第３図Figure 1 is a side view showing an example of a wheeled hydraulic excavator;
FIG. 2 is a diagram showing a brake circuit of a conventional wheeled hydraulic excavator, and FIG. 3 is a diagram showing an embodiment of the brake circuit of this invention. 5... Compressor, 6... Pressure tank, 7
...Air supply pipe, 8...S-Bis brake valve, 10...Protection valve, 1
1... Air supply V, 12... Working brake valve, 18... Booster, 19...
Hydraulic piping, 20... Work brake and service brake device, 21... First check valve, 22...
... Air supply pipe, 23 ... Second check valve, 24
... Air guide pipe, 25... Air supply pipe. Figure 2 Figure 3
Claims (1)
置のブースタに連結したサービスブレーキバルブと作業
ブレーキバルブとをたがいに並列に設けたホイール式油
圧ショベルのブレーキ回路において、サービスブレーキ
バルブの出力ポートとブースタとの間、および作業ブレ
ーキバルブの入力ポートがわに逆止め弁を設け、かつ、
サービスブレーキバルブの出力ポートと作業ブレーキバ
ルブの排気ポートとを導気管によりたがいに連結したこ
とを特徴とするブレーキ回路。In a brake circuit for a wheeled hydraulic excavator, in which a service brake valve and a work brake valve are installed in parallel, the input port is connected to a pressure source and the output port is connected to the booster of the brake device. Provide a check valve between the booster and the input port of the working brake valve, and
A brake circuit characterized in that an output port of a service brake valve and an exhaust port of a working brake valve are connected to each other by an air guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18754283U JPS6098565U (en) | 1983-12-06 | 1983-12-06 | Brake circuit of wheel-type hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18754283U JPS6098565U (en) | 1983-12-06 | 1983-12-06 | Brake circuit of wheel-type hydraulic excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6098565U true JPS6098565U (en) | 1985-07-05 |
| JPH0313410Y2 JPH0313410Y2 (en) | 1991-03-27 |
Family
ID=30404804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18754283U Granted JPS6098565U (en) | 1983-12-06 | 1983-12-06 | Brake circuit of wheel-type hydraulic excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6098565U (en) |
-
1983
- 1983-12-06 JP JP18754283U patent/JPS6098565U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0313410Y2 (en) | 1991-03-27 |
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